Hello, I recieved my FPG on friday of last week and have encountered a problem today, the hammer will not be released until i have completely depress the trigger and this is much more than it was before, any ideas...

Thanks

ps- i used spartan imports .25 g bio bbs and king arms green gas, i have only disassembled twice for cleaning/lubing/inspection, and i have only fired 300~ rounds
pps- sending to KWA is a last resort for me